Home / 13,591,071.36-18,747,877.44-8,494,992

Finding the Fourth Proportional to 13,591,071.36, 18,747,877.44 and 8,494,992

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Solution

The fourth proportional to 13,591,071.36, 18,747,877.44 and 8,494,992 is: 11,718,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,071.36 : 18,747,877.44 = 8,494,992 : x
  2. Step 2: Convert to fraction form
    13,591,071.36/18,747,877.44 = 8,494,992/x
  3. Step 3: Cross multiply
    13,591,071.36x = 18,747,877.44 × 8,494,992
  4. Step 4: Simplify right side
    13,591,071.36x = 159,263,068,869,780.50
  5. Step 5: Solve for x
    x = 159,263,068,869,780.50/13,591,071.36
  6. Step 6: Final answer
    x = 11,718,212.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.